x AOPOS TER-MOTHER 233 
crawled slowly in a stupefied manner around the 
box with herantennz stiffand drooping. A recently 
emerged worker that I had brought from another 
nest seemed puzzled at her strange behaviour, and 
followed her about trying to nestle under her. 
July 2, 8 a.m. As the sick queen seemed no 
better and still showed no inclination to tend her 
brood, I put her and her brood into the box 
containing the queen caught on July 1 and her 
brood, and watched the result. The caught queen 
paid as much attention to the new brood as to her 
own, sitting now on the one lump and then on the 
other. She was at first inclined to fear and also 
attack the sick queen. Discovering, however, that 
the latter took no notice of her, but only wandered 
aimlessly about the box, she left her alone. Never- 
theless, she uttered a short impatient buzz every 
time she met the sick queen; it reminded me of 
the cry often made by queens when they find their 
brood unexpectedly, but it was a jealous buzz rather 
than one of pleasure. It was interesting to see how 
the care of the brood had stimulated her intelligence 
to its highest pitch of activity. She was keen, alert, 
and full of life. 
At times she endeavoured to leave the box, but 
one could see by her behaviour that these attempts 
were not ordinary efforts to escape but were accom- 
panied by an overwhelming consciousness of the 
presence of her brood, showing that her intention 
was probably to gather food for it. To prove 
this, I carried the box containing the nest into the 
